/* 缩略图 显示  */
	$(function(){
		$("#imageShow").on("change",function () {
	        var $file = $(this);
	        var fileObj = $file[0];
 
	        var windowURL = window.URL || window.webkitURL;
	        var dataURL;
	        var $img = $("#showImg");
 
	        if (fileObj && fileObj.files && fileObj.files[0]) {
	            dataURL = windowURL.createObjectURL(fileObj.files[0]);
	            $img.attr('src', dataURL);
	        } else {
	            dataURL = $file.val();
	            var imgObj = document.getElementById("preview");
	            imgObj.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale)";
	            imgObj.filters.item("DXImageTransform.Microsoft.AlphaImageLoader").src = dataURL;
 
	        }
	    });
	});